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Java > Open Source Codes > org > eclipse > jdt > internal > launching > support > LibraryDetector


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.jdt.internal.launching.support;
12
13
14 /**
15  * Used to discover the boot path, extension directories, and endorsed
16  * directories for a Java VM.
17  */
18 public class LibraryDetector {
19
20     /**
21      * Prints system properties to standard out.
22      * <ul>
23      * <li>java.version</li>
24      * <li>sun.boot.class.path</li>
25      * <li>java.ext.dirs</li>
26      * <li>java.endorsed.dirs</li>
27      * </ul>
28      *
29      * @param args
30      */
31     public static void main(String JavaDoc[] args) {
32         // if we are running raw j9
33 if ("j9".equalsIgnoreCase(System.getProperty("java.vm.name"))) { //$NON-NLS-1$ //$NON-NLS-2$
34 // Map class lib versions onto things that the launch infrastructure understands. J9
35 // behaves like 1.4 wrt launch/debug
36 String JavaDoc configuration = System.getProperty("com.ibm.oti.configuration"); //$NON-NLS-1$
37 if ("found10".equals(configuration)) //$NON-NLS-1$
38 System.out.print("1.4"); //$NON-NLS-1$
39 else if ("found11".equals(configuration)) //$NON-NLS-1$
40 System.out.print("1.4"); //$NON-NLS-1$
41 else
42                 System.out.print(System.getProperty("java.version")); //$NON-NLS-1$
43 System.out.print("|"); //$NON-NLS-1$
44 System.out.print(System.getProperty("com.ibm.oti.system.class.path")); //$NON-NLS-1$
45 } else {
46             System.out.print(System.getProperty("java.version")); //$NON-NLS-1$
47 System.out.print("|"); //$NON-NLS-1$
48 System.out.print(System.getProperty("sun.boot.class.path")); //$NON-NLS-1$
49 }
50         System.out.print("|"); //$NON-NLS-1$
51 System.out.print(System.getProperty("java.ext.dirs")); //$NON-NLS-1$
52 System.out.print("|"); //$NON-NLS-1$
53 System.out.print(System.getProperty("java.endorsed.dirs")); //$NON-NLS-1$
54 }
55 }
56
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